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  Menu update 2003/06/21

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@ Farm Mechanization Planning, 2005 update2005/5/5
@ Farm Mechanization Planning, 2003 update2003/1/31
Systems Approach in Agriculture,2006 update 2006/9/14
  Systems Approach in Agriculture 2002
  Systems Engineering in Bio-Production in Japanese
  Systems Engineering in Agriculture in Chinese
  Tractor Dynamics by Vectors update 1999/10/16  
  FAO consultant, 1987-89  
  Visit WORLD:1965, 1988   
  Profile AIT
  Farm Mechanization in Japan  update 2001/8/26 
  Agricultural Machinery Exhibition Room  update 2003/3/11 

ver. 2013/11/30